package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;

/**
 * 购物车持久层
 *
 * @author wkh
 * @date 2024/6/17 16:54
 */
@Mapper
public interface ShoppingCartMapper {
    // 查询购物车
    List<ShoppingCart> shoppingCartList(ShoppingCart shoppingCart);

    // 更新购物车数量
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumber(int number, Long id);

    // 添加购物车数据
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    // 根据用户id查询购物车
    @Select("select * from shopping_cart where user_id = #{userId}")
    List<ShoppingCart> getByUserId(Long userId);

    // 根据用户id删除购物车数据
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void deleteByUserId(Long userId);

    // 根据购物车id删除购物车数据
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteById(Long id);

}
